Highway Designation File

Transportation Planning and Programming Division
Current Description-Effective Date-Authority


Certified Mileage (Open to Traffic)
15.227 2010

FARM TO MARKET ROAD NO. 670

Minute Order 021564, dated 11/28/1945 (date of agreement)

From US 80 in Westbrook northward approximately 4.0 miles to the Butler Camp. (Mitchell County)  New Designation.



Adm. Auth., dated 02/24/1953

From US at Westbrook northward approximately 3.7 miles and from another point on US 80 west of Westbrook southward to SH 101, a distance of approximately 12.3 miles. (Mitchell County)  FM 1808 canceled & combined, adding approximately 8.6 miles.



Minute Order 044909, dated 10/31/1958, Adm. Cir., 028-1959, dated 02/15/1959, Adm. Auth., 11/25/1958

From SH 163 southwest of Spade Community northward to US 80 west of Westbrook and from another point on US 80 at Westbrook northward and eastward to FM 1229, a total distance of approximately 15.4 miles. (Mitchell County) Modified to show southern terminus SH 163 instead SH 161 due to redesignation; extended northward and eastward approximately 4.0 miles from Morgan's Creek to FM 1229; section from Morgan's Creek westward and northward approximately 1.8 miles to present northern terminus transferred to FM 1308.



Minute Order 043495, dated 02/27/1958; Adm. Cir. 176-1959, dated 10/01/1959

From SH 163 southwest of Spade Community, northward to US 80 west of Westbrook; then from SL 333 at Westbrook northward and eastward to FM 1229, a total distance of approx. 15.4 miles. (Mitchell County)  Redescribed to show terminus in Westbrook as SL 333 due to relocation of US 80.